rs35431748

Positions:

chr22-36865041-T-C

Variant summary

Our verdict is Benign. Variant got -21 ACMG points: 0P and 21B. BP4_StrongBP6_Very_StrongBP7BS1BS2

The NM_000631.5(NCF4):c.240T>C(p.Ser80=) variant causes a synonymous change involving the alteration of a non-conserved nucleotide. The variant allele was found at a frequency of 0.00131 in 1,613,000 control chromosomes in the GnomAD database, including 31 homozygotes. In-silico tool predicts a benign outcome for this variant. Variant has been reported in ClinVar as Likely benign (★★).

Frequency

Genomes: 𝑓 0.0068 ( 16 hom., cov: 31)

Exomes 𝑓: 0.00074 ( 15 hom. )

Consequence

NCF4
NM_000631.5 synonymous

Scores

Clinical Significance

Benign/Likely benign criteria provided, multiple submitters, no conflicts B:2

Conservation

PhyloP100: 1.09

Variant links:

Genes affected

NCF4 (HGNC:7662): (neutrophil cytosolic factor 4) The protein encoded by this gene is a cytosolic regulatory component of the superoxide-producing phagocyte NADPH-oxidase, a multicomponent enzyme system important for host defense. This protein is preferentially expressed in cells of myeloid lineage. It interacts primarily with neutrophil cytosolic factor 2 (NCF2/p67-phox) to form a complex with neutrophil cytosolic factor 1 (NCF1/p47-phox), which further interacts with the small G protein RAC1 and translocates to the membrane upon cell stimulation. This complex then activates flavocytochrome b, the membrane-integrated catalytic core of the enzyme system. The PX domain of this protein can bind phospholipid products of the PI(3) kinase, which suggests its role in PI(3) kinase-mediated signaling events. The phosphorylation of this protein was found to negatively regulate the enzyme activity. Alternatively spliced transcript variants encoding distinct isoforms have been observed. [provided by RefSeq, Jul 2008]

NCF4 links:

NCF4-AS1 (HGNC:40393): (NCF4 antisense RNA 1)

NCF4-AS1 links:

Genome browser will be placed here

ACMG classification

Classification made for transcript

Verdict is Benign. Variant got -21 ACMG points.

BP4

Computational evidence support a benign effect (BayesDel_noAF=-0.85).

BP6

Variant 22-36865041-T-C is Benign according to our data. Variant chr22-36865041-T-C is described in ClinVar as [Likely_benign]. Clinvar id is 341550.Status of the report is criteria_provided_multiple_submitters_no_conflicts, 2 stars.

BP7

Synonymous conserved (PhyloP=1.09 with no splicing effect.

BS1

Variant frequency is greater than expected in population afr. gnomad4 allele frequency = 0.00682 (1039/152306) while in subpopulation AFR AF= 0.0242 (1006/41568). AF 95% confidence interval is 0.023. There are 16 homozygotes in gnomad4. There are 504 alleles in male gnomad4 subpopulation. Median coverage is 31. This position pass quality control queck.

BS2

High Homozygotes in GnomAd4 at 16 AR gene

Transcripts

RefSeq

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	MANE	UniProt
NCF4	NM_000631.5 linkuse as main transcript	c.240T>C	p.Ser80=	synonymous_variant	3/10	ENST00000248899.11
NCF4-AS1	NR_147197.1 linkuse as main transcript	n.351+5052A>G		intron_variant, non_coding_transcript_variant

Ensembl

Gene	Transcript	HGVSc	HGVSp	Effect	#exon/exons	TSL	MANE	Appris	UniProt
NCF4	ENST00000248899.11 linkuse as main transcript	c.240T>C	p.Ser80=	synonymous_variant	3/10	1	NM_000631.5	P1	Q15080-1
NCF4-AS1	ENST00000619915.1 linkuse as main transcript	n.349+5052A>G		intron_variant, non_coding_transcript_variant		4

Frequencies

GnomAD3 genomes

AF:

0.00681

AC:

1037

AN:

152188

Hom.:

Cov.:

show subpopulations

Gnomad AFR

AF:

0.0242

Gnomad AMI

AF:

0.00

Gnomad AMR

AF:

0.00137

Gnomad ASJ

AF:

0.00

Gnomad EAS

AF:

0.00

Gnomad SAS

AF:

0.000413

Gnomad FIN

AF:

0.00

Gnomad MID

AF:

0.00316

Gnomad NFE

AF:

0.0000735

Gnomad OTH

AF:

0.00239

GnomAD3 exomes

AF:

0.00166

AC:

415

AN:

249890

Hom.:

AF XY:

0.00117

AC XY:

158

AN XY:

135272

show subpopulations

Gnomad AFR exome

AF:

0.0242

Gnomad AMR exome

AF:

0.000463

Gnomad ASJ exome

AF:

0.00

Gnomad EAS exome

AF:

0.00

Gnomad SAS exome

AF:

0.0000653

Gnomad FIN exome

AF:

0.00

Gnomad NFE exome

AF:

0.00000881

Gnomad OTH exome

AF:

0.000491

GnomAD4 exome

AF:

0.000737

AC:

1076

AN:

1460694

Hom.:

Cov.:

AF XY:

0.000644

AC XY:

468

AN XY:

726720

show subpopulations

Gnomad4 AFR exome

AF:

0.0278

Gnomad4 AMR exome

AF:

0.000581

Gnomad4 ASJ exome

AF:

0.00

Gnomad4 EAS exome

AF:

0.00

Gnomad4 SAS exome

AF:

0.0000696

Gnomad4 FIN exome

AF:

0.00

Gnomad4 NFE exome

AF:

0.0000180

Gnomad4 OTH exome

AF:

0.00154

GnomAD4 genome

AF:

0.00682

AC:

1039

AN:

152306

Hom.:

Cov.:

AF XY:

0.00677

AC XY:

504

AN XY:

74466

show subpopulations

Gnomad4 AFR

AF:

0.0242

Gnomad4 AMR

AF:

0.00137

Gnomad4 ASJ

AF:

0.00

Gnomad4 EAS

AF:

0.00

Gnomad4 SAS

AF:

0.000207

Gnomad4 FIN

AF:

0.00

Gnomad4 NFE

AF:

0.0000735

Gnomad4 OTH

AF:

0.00237

Alfa

AF:

0.00316

Hom.:

Bravo

AF:

0.00796

Asia WGS

AF:

0.00144

AC:

AN:

3478

ClinVar

Significance: Benign/Likely benign

Submissions summary: Benign:2

Revision: criteria provided, multiple submitters, no conflicts

LINK: link

Submissions by phenotype

Granulomatous disease, chronic, autosomal recessive, cytochrome b-positive, type 3

Benign:1

Benign, criteria provided, single submitter

clinical testing

Labcorp Genetics (formerly Invitae), Labcorp

Jan 25, 2024

- -

not provided

Benign:1

Likely benign, criteria provided, single submitter

clinical testing

GeneDx

Dec 01, 2020

- -

Computational scores

Source: dbNSFP v4.3

Name

Calibrated prediction

Score

Prediction

BayesDel_noAF

Benign

-0.85

CADD

Benign

4.0

DANN

Benign

0.45

Splicing

Name

Calibrated prediction

Score

Prediction

SpliceAI score (max)

0.0

Details are displayed if max score is > 0.2

Find out detailed SpliceAI scores and Pangolin per-transcript scores at spliceailookup.broadinstitute.org

Publications

LitVar

Below is the list of publications found by LitVar. It may be empty.

Variant summary

Frequency

Consequence

Scores

Clinical Significance

Conservation

ACMG classification

Transcripts

RefSeq

Ensembl

Frequencies

ClinVar

Submissions by phenotype

Computational scores

Splicing

Publications

LitVar

Other links and lift over